Sorting a category list from a flat database for insert into a hierarchy-constrained one
This is a formatted JSON sample input, with one sample child (with both a parent and a child), one child with no children, and sample parent (with no parent)
[
{
"name": "Accessories",
"id": 1,
"parent_id": 20,
},
{
"name": "Watches",
"id": 57,
"parent_id": 1
},
{
"name": "Men",
"id": 20,
"parent_id": null
}
]This is a formatted JSON sample solution for the input above:
[
{
"name": "Men",
"id": 20,
"parent_id": null
},
{
"name": "Accessories",
"id": 1,
"parent_id": 20
},
{
"name": "Watches",
"id": 57,
"parent_id": 1
}
]- node app {path-to-input-Json} {path-to-output-Json}
Example:
$ node app input.json output.json
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